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Online Tests
NAT-IIB Biological Science Botany Hard Test MCQs With Answers
Question # 1
Apple is a member of family
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Rasaceae
Ranunculaceae
Labiaceae
Malvaceae
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Question # 2
Thin layer of earth in which all living organism exist is known as
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Habitat
Niche
Biosphere
Ecological niche
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Question # 3
Aggregates of closely related species
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Infra specific species
Variety
Subspecies
Genus
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Question # 4
Plants of asclepiadaceae are mostly
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Herbs
Shrubs
Trees
All the them
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Question # 5
1.
----------- is the process in which plasma membrane starts pulling away from the cell wall;
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Incipient plasmolysis
Indirect plasmolysis
Critical Phasmolysis
None
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Question # 6
Cryptostegiagrandiflorais a cultivated ----------- growing in gardens.
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Herb
Shrub
Grass
Climber
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Question # 7
Seeds of members of family pharmacies are
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Endospermic
Exalbuminous
Both a and b
None of these
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Question # 8
The botanical name of date (khajoor) is
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Phoenix slyvestris
Cucusmucifera
Cryotaurens
Raphisruffia
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Question # 9
The phenomenon of interference / hide the effect of one gene present at one locus by the other gene present at other locus is called
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Epistasis
Crossing over
Gene linkage
Synapsis
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Question # 10
The water culture technique for growing plants with their roots in a recirculating water solution is
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Hydroponics
Sericulture
Hygoculture
Hydroculture
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Question # 11
The process in which energy migration takes place within a group of neighbouring pigments is called
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Reductive resonance
Deductive resonance
Inductive resonance
None
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Question # 12
He distinguished gymnosperms as naked seeded are enclosed in vessels
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Rebert Brown
Linneous
Armen Takhtajan
Arthur
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Question # 13
A special protein that generates voltage across a membrane is called;
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Electrochemical protein
Electromagnetic Protein
Electrogenic protein
Proteogenic protein
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Question # 14
Seeds of family ---------- bear a tuft of hairs
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Compositeae
Labiateae
Asclepiadaceae
Ranunculaceae
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Question # 15
Cohesion theory of ascent of sap is proposed by
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Zimmernmann
John jolly
Dixon
Both a & b
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Question # 16
In an ecosystem Green photosynthetic plants, which capture and bring light energy into ecosystem are termed as
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Consumers
Decomposers
Producers
Parasites
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Question # 17
The criteria of the classification are the ------------ on which the classification is based.
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Groups
Divisions
Characters
Orders
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Question # 18
Family ------------ incluldes 100 genera and 850 species
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Compositeae
Crucifereae
Labiateae
Cucurbitaceae
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Question # 19
Family curcifereae is characterized by the persence of ------------ corolla
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Cross like
Cushion like
Zigzag
None
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Question # 20
The characters of constant nature which are used to define a group are
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Synthetic
Systematic
Variations
Diagnostic
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